Mathematics, 17.04.2020 01:07 Calliedevore
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. The expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of dollar-sign 85 and a standard deviation of dollar-sign 25. If the management wants to give free gifts to at most 10.56% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 3
Mathematics, 21.06.2019 18:30, mackwackuwu
The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
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